[INFO] fetching crate shinchan 0.1.0...
[INFO] testing shinchan-0.1.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate shinchan 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate shinchan 0.1.0
[INFO] finished tweaking crates.io crate shinchan 0.1.0
[INFO] tweaked toml for crates.io crate shinchan 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shinchan 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shinchan 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6405ed2af580ac5e3e1a00c6cfd41c71646ad34f3dcc34258527b4d3804f7ab3
[INFO] running `Command { std: "docker" "start" "-a" "6405ed2af580ac5e3e1a00c6cfd41c71646ad34f3dcc34258527b4d3804f7ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6405ed2af580ac5e3e1a00c6cfd41c71646ad34f3dcc34258527b4d3804f7ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6405ed2af580ac5e3e1a00c6cfd41c71646ad34f3dcc34258527b4d3804f7ab3", kill_on_drop: false }`
[INFO] [stdout] 6405ed2af580ac5e3e1a00c6cfd41c71646ad34f3dcc34258527b4d3804f7ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c9cd0d9cf346fb90ffe4fb0bcd44289ced8c8a3da9d117aab3a8f107a72ff25
[INFO] running `Command { std: "docker" "start" "-a" "5c9cd0d9cf346fb90ffe4fb0bcd44289ced8c8a3da9d117aab3a8f107a72ff25", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling iri-string v0.7.10
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling owo-colors v4.3.0
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.10/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=7bb3ee42bbb41fa9 -C extra-filename=-2cfdfc3e5cb17812 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5c9cd0d9cf346fb90ffe4fb0bcd44289ced8c8a3da9d117aab3a8f107a72ff25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9cd0d9cf346fb90ffe4fb0bcd44289ced8c8a3da9d117aab3a8f107a72ff25", kill_on_drop: false }`
[INFO] [stdout] 5c9cd0d9cf346fb90ffe4fb0bcd44289ced8c8a3da9d117aab3a8f107a72ff25